1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 2 /* hack.makemon.c - version 1.0.2 */ 3 4 #include "hack.h" 5 extern char fut_geno[]; 6 extern char *index(); 7 extern struct obj *mkobj_at(); 8 struct monst zeromonst; 9 10 /* 11 * called with [x,y] = coordinates; 12 * [0,0] means anyplace 13 * [u.ux,u.uy] means: call mnexto (if !in_mklev) 14 * 15 * In case we make an Orc or killer bee, we make an entire horde (swarm); 16 * note that in this case we return only one of them (the one at [x,y]). 17 */ 18 struct monst * 19 makemon(ptr,x,y) 20 register struct permonst *ptr; 21 { 22 register struct monst *mtmp; 23 register tmp, ct; 24 boolean anything = (!ptr); 25 extern boolean in_mklev; 26 27 if(x != 0 || y != 0) if(m_at(x,y)) return((struct monst *) 0); 28 if(ptr){ 29 if(index(fut_geno, ptr->mlet)) return((struct monst *) 0); 30 } else { 31 ct = CMNUM - strlen(fut_geno); 32 if(index(fut_geno, 'm')) ct++; /* make only 1 minotaur */ 33 if(index(fut_geno, '@')) ct++; 34 if(ct <= 0) return(0); /* no more monsters! */ 35 tmp = rn2(ct*dlevel/24 + 7); 36 if(tmp < dlevel - 4) tmp = rn2(ct*dlevel/24 + 12); 37 if(tmp >= ct) tmp = rn1(ct - ct/2, ct/2); 38 for(ct = 0; ct < CMNUM; ct++){ 39 ptr = &mons[ct]; 40 if(index(fut_geno, ptr->mlet)) 41 continue; 42 if(!tmp--) goto gotmon; 43 } 44 panic("makemon?"); 45 } 46 gotmon: 47 mtmp = newmonst(ptr->pxlth); 48 *mtmp = zeromonst; /* clear all entries in structure */ 49 for(ct = 0; ct < ptr->pxlth; ct++) 50 ((char *) &(mtmp->mextra[0]))[ct] = 0; 51 mtmp->nmon = fmon; 52 fmon = mtmp; 53 mtmp->m_id = flags.ident++; 54 mtmp->data = ptr; 55 mtmp->mxlth = ptr->pxlth; 56 if(ptr->mlet == 'D') mtmp->mhpmax = mtmp->mhp = 80; 57 else if(!ptr->mlevel) mtmp->mhpmax = mtmp->mhp = rnd(4); 58 else mtmp->mhpmax = mtmp->mhp = d(ptr->mlevel, 8); 59 mtmp->mx = x; 60 mtmp->my = y; 61 mtmp->mcansee = 1; 62 if(ptr->mlet == 'M'){ 63 mtmp->mimic = 1; 64 mtmp->mappearance = ']'; 65 } 66 if(!in_mklev) { 67 if(x == u.ux && y == u.uy && ptr->mlet != ' ') 68 mnexto(mtmp); 69 if(x == 0 && y == 0) 70 rloc(mtmp); 71 } 72 if(ptr->mlet == 's' || ptr->mlet == 'S') { 73 mtmp->mhide = mtmp->mundetected = 1; 74 if(in_mklev) 75 if(mtmp->mx && mtmp->my) 76 (void) mkobj_at(0, mtmp->mx, mtmp->my); 77 } 78 if(ptr->mlet == ':') { 79 mtmp->cham = 1; 80 (void) newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]); 81 } 82 if(ptr->mlet == 'I' || ptr->mlet == ';') 83 mtmp->minvis = 1; 84 if(ptr->mlet == 'L' || ptr->mlet == 'N' 85 || (in_mklev && index("&w;", ptr->mlet) && rn2(5)) 86 ) mtmp->msleep = 1; 87 88 #ifndef NOWORM 89 if(ptr->mlet == 'w' && getwn(mtmp)) 90 initworm(mtmp); 91 #endif NOWORM 92 93 if(anything) if(ptr->mlet == 'O' || ptr->mlet == 'k') { 94 coord enexto(); 95 coord mm; 96 register int cnt = rnd(10); 97 mm.x = x; 98 mm.y = y; 99 while(cnt--) { 100 mm = enexto(mm.x, mm.y); 101 (void) makemon(ptr, mm.x, mm.y); 102 } 103 } 104 105 return(mtmp); 106 } 107 108 coord 109 enexto(xx,yy) 110 register xchar xx,yy; 111 { 112 register xchar x,y; 113 coord foo[15], *tfoo; 114 int range; 115 116 tfoo = foo; 117 range = 1; 118 do { /* full kludge action. */ 119 for(x = xx-range; x <= xx+range; x++) 120 if(goodpos(x, yy-range)) { 121 tfoo->x = x; 122 tfoo++->y = yy-range; 123 if(tfoo == &foo[15]) goto foofull; 124 } 125 for(x = xx-range; x <= xx+range; x++) 126 if(goodpos(x,yy+range)) { 127 tfoo->x = x; 128 tfoo++->y = yy+range; 129 if(tfoo == &foo[15]) goto foofull; 130 } 131 for(y = yy+1-range; y < yy+range; y++) 132 if(goodpos(xx-range,y)) { 133 tfoo->x = xx-range; 134 tfoo++->y = y; 135 if(tfoo == &foo[15]) goto foofull; 136 } 137 for(y = yy+1-range; y < yy+range; y++) 138 if(goodpos(xx+range,y)) { 139 tfoo->x = xx+range; 140 tfoo++->y = y; 141 if(tfoo == &foo[15]) goto foofull; 142 } 143 range++; 144 } while(tfoo == foo); 145 foofull: 146 return( foo[rn2(tfoo-foo)] ); 147 } 148 149 goodpos(x,y) /* used only in mnexto and rloc */ 150 { 151 return( 152 ! (x < 1 || x > COLNO-2 || y < 1 || y > ROWNO-2 || 153 m_at(x,y) || !ACCESSIBLE(levl[x][y].typ) 154 || (x == u.ux && y == u.uy) 155 || sobj_at(ENORMOUS_ROCK, x, y) 156 )); 157 } 158 159 rloc(mtmp) 160 struct monst *mtmp; 161 { 162 register tx,ty; 163 register char ch = mtmp->data->mlet; 164 165 #ifndef NOWORM 166 if(ch == 'w' && mtmp->mx) return; /* do not relocate worms */ 167 #endif NOWORM 168 do { 169 tx = rn1(COLNO-3,2); 170 ty = rn2(ROWNO); 171 } while(!goodpos(tx,ty)); 172 mtmp->mx = tx; 173 mtmp->my = ty; 174 if(u.ustuck == mtmp){ 175 if(u.uswallow) { 176 u.ux = tx; 177 u.uy = ty; 178 docrt(); 179 } else u.ustuck = 0; 180 } 181 pmon(mtmp); 182 } 183 184 struct monst * 185 mkmon_at(let,x,y) 186 char let; 187 register int x,y; 188 { 189 register int ct; 190 register struct permonst *ptr; 191 192 for(ct = 0; ct < CMNUM; ct++) { 193 ptr = &mons[ct]; 194 if(ptr->mlet == let) 195 return(makemon(ptr,x,y)); 196 } 197 return(0); 198 } 199